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@article{MZ_1981__176_183629, author = {R.C. Valentini and M.L. Madan}, title = {Automorphism {Groups} of {Algebraic} {Function} {Fields.}}, journal = {Mathematische Zeitschrift}, pages = {39--52}, publisher = {mathdoc}, volume = {176}, year = {1981}, zbl = {0431.12013}, url = {http://geodesic.mathdoc.fr/item/MZ_1981__176_183629/} }
R.C. Valentini; M.L. Madan. Automorphism Groups of Algebraic Function Fields.. Mathematische Zeitschrift, Tome 176 (1981), pp. 39-52. http://geodesic.mathdoc.fr/item/MZ_1981__176_183629/